State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) IV/HV History

Comparing implied volatility to historical (realized) volatility reveals whether options are priced rich or cheap relative to actual price movement. Persistent gaps can signal trading opportunities.

State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $52.44B, listed on AMEX, carrying a beta of 1.16 to the broader market. The State Street SPDR Portfolio S&P 500 Growth ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P 500 Growth Index (the "Index")A low cost ETF that seeks to offer exposure to S&P 500 companies that display the strongest growth characteristicsThe Index contains stocks that exhibit the strongest growth characteristics based on: sales growth, earnings change to price ratio, and momentumOne of the low cost core State Street SPDR Portfolio ETFs, a suite of portfolio building blocks designed to provide broad, diversified exposure to core asset classes public since 2000-10-02.

Snapshot as of May 15, 2026.

Spot Price
$118.63
ATM IV
22.5%
HV 20-Day
16.9%
HV 60-Day
21.1%
IV Rank
54.8%
IV Percentile
88.1%

As of May 15, 2026, State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) ATM implied volatility is 22.5%. 20-day realized volatility is 16.9%, producing an IV-HV spread of +5.6 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 54.8%.

How SPYG iv/hv history Data Feeds Strategy Selection

Strategy selection on State Street SPDR Portfolio S&P 500 Growth ETF options does not derive from any single metric in isolation. The iv/hv history view above sits inside a broader read: ATM IV currently sits at 22.5% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the iv/hv history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how implied vs realized volatility is reported and how to read the data →

Frequently asked SPYG iv/hv history questions

Is SPYG options pricing rich or cheap right now?
As of May 15, 2026, State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) ATM IV is 22.5% against 20-day realized volatility of 16.9%. IV rank is 54.8%. SPYG options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 5.6 vol points.
What is the SPYG variance risk premium?
The variance risk premium is the persistent gap between implied and subsequently realized volatility. In equity markets it averages positive because option sellers demand compensation for bearing variance shocks. SPYG is currently priced consistently with this premium, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does SPYG IV rank mean for strategy selection?
IV rank normalizes the current ATM IV to its 1-year range: 0% is the low, 100% is the high. SPYG's current rank of 54.8% signals where current pricing sits in its own 1-year history. High-rank regimes typically favor premium-selling structures (credit spreads, condors, covered calls); low-rank regimes typically favor premium-buying or long-volatility structures.